<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .tab-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
        }

        .tab-list li {
            width: 120px;
            height: 40px;
            text-align: center;
            line-height: 40px;
            background: yellowgreen;
        }

        .tab-list li.active {
            background: grey;
        }

        .content-item {
            padding: 0;
            margin: 0;
            width: 476px;
            height: 150px;
            border: 2px solid #ddd;
        }

    </style>
</head>
<body>
    <div id="app">
        <ul class="tab-list">
            <li @click="tabClick(index)"
                :class="{active:currenIndex === index}"
                v-for="(item,index) in tabList">{{item}}</li>
        </ul>

        <div    class="content-item"
                v-show="currenIndex === index"
                v-for="(item,index) in contentList">{{item}}</div>
    </div>

    <script src="js/vue.js"></script>

    <script>
        let myApp = new Vue({
            el:'#app',
            data:{
                currenIndex:0,
                tabList:['国内新闻','国际新闻','体育新闻','娱乐新闻'],
                contentList:['这是第一个content内容','这是第二个content内容','这是第三个content内容','这是第四个content内容']
            },
            methods:{
                tabClick(index){
                    this.currenIndex = index
                    console.log(index)
                }
            }
        })
    </script>
</body>
</html>